Isaac Hong

- Fallin'
- Queen of Tears (Original Television Soundtrack), Pt. 5 - Single · 2024
- In You
- Our Unwritten Seoul (Original Soundtrack) Part.4 - Single · 2025
- My Love by My Side
- When Life Gives you Tangerines (Original Soundtrack from the Netflix Series) - Chapter 3 - Single · 2025
- Hello, goodbye.
- Hello, goodbye. - Single · 2025
- Savior (Hong Isaac Version)
- The Trunk (Soundtrack from the Netflix Series) · 2024
- Close Your Eyes
- The Uncanny Counter, Pt. 1 (Original Television Soundtrack) - Single · 2020
- Kiss me Kiss me
- Lovestruck in the City (Original Television Soundtrack) Special · 2021
- My little town
- Hello, goodbye. - Single · 2025
- Be with you
- A Time Called You (Music from The Netflix Series) · 2023
- 하나님의 세계
- 하나님의 세계 - Single · 2015

Da Capo (Original Motion Picture Soundtrack)

Da Capo (Original Motion Picture Soundtrack)

2020

Hello, goodbye. - Single

Hello, goodbye. - Single

2025
Our Unwritten Seoul (Original Soundtrack) Part.4 - Single

Our Unwritten Seoul (Original Soundtrack) Part.4 - Single

2025
Dreaming (From "SHOW MUSICAL Dream High") - Single

Dreaming (From "SHOW MUSICAL Dream High") - Single

2025
The Lovers Note - EP

The Lovers Note - EP

2025
Lovers - Single

Lovers - Single

2025
Gyeongseong Creature S2 (Original Soundtrack) - EP

Gyeongseong Creature S2 (Original Soundtrack) - EP

2024
Famous Singers And Street Judges EP.9

Famous Singers And Street Judges EP.9

2024